@article{TMF_1977_31_3_a5, author = {K. Yu. Dadashyan}, title = {Causality properties in nonrelativistic algebraic models}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {333--338}, publisher = {mathdoc}, volume = {31}, number = {3}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_1977_31_3_a5/} }